In fact you may be thoroughly sceptical and dismiss the whole thing as silly nonsense. But I can tell you from personal experience that lucid dreams are very real and something that many millions of people regularly enjoy. Note: Due to the huge amount of interest that this post has generated I am now seriously considering writing a book on the subject, and I would welcome input from anyone with an interest. If you have any anecdotes, suggestions, dreams or anything else you’d like to share with me for possible inclusion in the book, please email me. Your contribution can be anonymous and you may change any and all names/characters as you wish.
Happiness, hypermotivation and the meaning of life. Click here Video clip (WMV; 0.94Mb) of an Olds' rat crossing an electrified grid to self-stimulate its pleasure-centres Stepping on a strongly electrified grid is highly aversive.

A desperately hungry rat - even a rat who hasn't eaten for 10 days - won't run across an electrified cage-floor to reach a food-source: the shocks are too painful.